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How many working days in year 1978?

Here is the detail of the calculation:

Because 1978 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 250 working days in 1978.

Here is the list of these 10 public holidays:

1. New Year's Day Observance : понедельник, 2 январь, 1978
2. Australia Day : четверг, 26 январь, 1978
3. Canberra Day : понедельник, 13 март, 1978
4. Good Friday : пятница, 24 март, 1978
5. Easter Monday : понедельник, 27 март, 1978
6. Anzac Day : вторник, 25 апрель, 1978
7. King's Birthday : понедельник, 12 июнь, 1978
8. Labour Day : понедельник, 2 октябрь, 1978
9. Christmas Day : понедельник, 25 декабрь, 1978
10. Boxing Day : вторник, 26 декабрь, 1978

And here are the 3 public holidays falling on a weekend:

1. New Year's Day : воскресенье, 1 январь, 1978
2. Easter Saturday : суббота, 25 март, 1978
3. Easter Sunday : воскресенье, 26 март, 1978